England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Refused6/2021/1231/EM

    Erection of single storey rear extension and loft conversion with 1 x rear dormer

    49 The Wade Welwyn Garden City AL7 4LG

    Received 15 Apr 2021
  2. Under Consideration6/2025/0999/COND

    Submission of details pursuant to condition number 33 (Tree Planting), on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 28 May 2025
  3. Decided - RefusedS6/2015/1424/HOUSE

    Erection of two storey side extension

    206 Bishops Rise Hatfield AL10 9QU

    Received 2 Jul 2015
  4. Decided - Granted6/2023/1654/HOUSE

    Installation of ground floor heat pump to rear of property

    24 Reddings Welwyn Garden City AL8 7LA

    Received 9 Aug 2023
  5. Decided - GrantedN6/2014/0018/TC

    Removal of hawthorn tree

    85 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 9 Jan 2014
  6. Decided - Granted6/2016/2562/LAWP

    Certificate of lawfulness for the erection of a 3m deep rear extension, to include insertion of 2 roof lights in rear pitch and alteration to existing main roof (hip to half-hip on eastern end of roof)

    Castleair Coopers Lane Northaw Potters Bar EN6 4NE

    Received 1 Dec 2016
  7. Decided - Granted6/2022/0980/EM

    Replacement of windows to property for PVC like for like

    9 Valley Road Welwyn Garden City AL8 7DG

    Received 25 Apr 2022
  8. Decided - Refused6/2022/2417/COND

    Submission of details pursuant of condition 6 (demountable barrier) on planning permission 6/2021/1987/VAR

    1 Town Centre Hatfield AL10 0JZ

    Received 18 Oct 2022
  9. Decided - Granted6/2019/2048/HOUSE

    Erection of single storey rear extension

    2 Bull Stag Green Hatfield AL9 5DE

    Received 16 Aug 2019
  10. Decided - Granted6/2024/0137/TPO

    T1 - Oak - Reduce by 30% (2m). T2 - Hornbeam - Reduce by 30% (2m). T3 - Oak - Reduce by 30% (2m). T4 - Hornbeam - Reduce by 30% (2m). T5 - Hornbeam - Reduce by 30% (2m). T6 - Hornbeam - Reduce by 30% (2m). T7 - Oak - Reduce by 30% (2m). All covered by TPO 753 (2018).

    2A Bracken Lane Welwyn AL6 0RB

    Received 24 Jan 2024
  11. Decided - GrantedS6/2014/1316/FP

    Erection of two storey side and part single storey part two storey rear extensions

    10 Clarkes Road Hatfield AL10 0HL

    Received 11 Jun 2014
  12. DecidedN6/2008/2130/TE

    REMOVAL OF PEAR TREE FROM REAR OF PROPERTY

    59 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PQ

    Received 12 Nov 2008
  13. Decided - Granted6/2018/1996/FULL

    Erection of 8 x self contained apartments with lower ground floor car park following demolition of existing dwelling; erection of front boundary wall, gates and railings and side boundary walls and railings

    77 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 30 Jul 2018
  14. Decided - Granted6/2016/1049/COND

    Approval of details reserved by condition 3 (materials) on planning permission S6/2014/1966/FP

    12 Warwick Avenue, Cuffley, Potters Bar, EN6 4RU

    Received 25 May 2016
  15. Decided - GrantedS6/2015/0103/FP

    Erection of single storey front extension and storey rear extensions and two storey side extension

    170 Crawford Road Hatfield AL10 0PA

    Received 22 Jan 2015
  16. Appeal Decided - DismissedN6/2005/1469/FP

    ERECTION OF SINGLE STOREY AND PART TWO STOREY REAR EXTENSION.

    9 Attimore Road Welwyn Garden City AL8 6LH

    Received 28 Nov 2005
  17. Decided - Granted6/2018/1245/HOUSE

    Erection of a single storey side and rear extension and rear dormer following demolition of existing garage and outbuilding

    6 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 11 May 2018
  18. Decided - Granted6/2022/0441/FULL

    Retrospective change of use to plant hire (resubmission following refusal of 6/2021/1380/FULL)

    12 Southfield Welwyn Garden City AL7 4ST

    Received 24 Feb 2022
  19. Decided - GrantedC6/1987/0759/FP

    Alterations to elevation comprising replacement windows to ground floor and erection of side canopy

    Bessemer Road, Welwyn Garden City, AL7 1HT

    Received 1 Jan 1987
  20. Decided - Granted6/2019/2785/COND

    Submission of details pursuant to conditions 23 (car parking management plan) Part B-Phase 1 (blocks 10 and 11) and 24 (delivery and servicing plan) Phase 1 (block 10 and 11) on application 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 4 Nov 2019
  21. Decided - Granted6/2019/0845/HOUSE

    Erection of a two storey side extension; single storey and part two storey front extension and installation of two front dormer windows.

    Spindlebury Cottage Ottway Walk Welwyn AL6 9AS

    Received 8 Apr 2019
  22. Decided - GrantedS6/2008/0299/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    17 Lark Rise Hatfield AL10 8RN

    Received 14 Feb 2008
  23. Decided - Granted6/2015/1929/EM

    Change of use from residential and garden land to mixed use of residential and garden land and commercial cattery and erection of a new cattery

    73 Great Ganett Welwyn Garden City AL7 3DB

    Received 16 Sept 2015
  24. Decided - Granted6/2021/2270/FULL

    Erection of 2 storey 4 bed detached dwelling with link garage following the demolition of existing 2 storey 4 bed dwelling

    1 Pentley Close Welwyn Garden City AL8 7SH

    Received 29 Jul 2021

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage